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Subtract 70/80 from 28/12

1st number: 2 4/12, 2nd number: 70/80

28/12 - 70/80 is 35/24.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 80 is 240
  2. For the 1st fraction, since 12 × 20 = 240,
    28/12 = 28 × 20/12 × 20 = 560/240
  3. Likewise, for the 2nd fraction, since 80 × 3 = 240,
    70/80 = 70 × 3/80 × 3 = 210/240
  4. Subtract the two fractions:
    560/240 - 210/240 = 560 - 210/240 = 350/240
  5. After reducing the fraction, the answer is 35/24
  6. In mixed form: 111/24

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